You're reading from Kubernetes in Production Best Practices

Product typeBook

Published inMar 2021

PublisherPackt

ISBN-139781800202450

Edition1st Edition

Tools

Kubernetes Docker

Concepts

Containerization

Authors (2):

Aly Saleh

Murat Karslioglu

View More author details

Deploying stateful applications

Kubernetes provides a number of controller APIs to manage the deployment of pods within a Kubernetes cluster. Initially designed for stateless applications, these controllers are used to group pods based on need. In this section, we will briefly learn the differences between the following Kubernetes objects – pods, ReplicaSets, deployments, and StatefulSets. In the event of a node failure, individual Pods will not be rescheduled on other nodes. Therefore, they should be avoided when running stateful workloads.

Deployments are used when managing pods, and ReplicaSets when we need to roll out changes to replica Pods. Both ReplicaSets and Deployments are used when provisioning stateless applications. To learn about Deployments, please check the official Kubernetes documentation here: https://kubernetes.io/docs/concepts/workloads/controllers/deployment/.

StatefulSets are another controller that reached a General Availability (GA) milestone...

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Kubernetes in Production Best Practices

Published in: Mar 2021Publisher: PacktISBN-13: 9781800202450

Authors (2)

Aly Saleh

Aly Saleh is a technology entrepreneur, cloud transformation leader, and architect. He has worked for the past 2 decades on building large-scale software solutions and cloud-based platforms and services that are used by millions of users. He is a co-founder of MAVS Cloud, a start-up that empowers organizations to leverage the power of the cloud. He also played various technical roles at Oracle, Vodafone, FreshBooks, Aurea Software, and Ceros. Aly holds degrees in computer science, and he has gained multiple credentials in AWS, GCP, and Kubernetes, with a focus on building cloud platforms, app modernization, containerization, and architecting distributed systems. He is an advocate for cloud best practices, remote work, and globally distributed teams.
Read more about Aly Saleh

Murat Karslioglu

Murat Karslioglu is a distinguished technologist with years of experience using infrastructure tools and technologies. Murat is currently the VP of products at MayaData, a start-up that builds data agility platform for stateful applications, and a maintainer of open source projects, namely OpenEBS and Litmus. In his free time, Murat is busy writing practical articles about DevOps best practices, CI/CD, Kubernetes, and running stateful applications on popular Kubernetes platforms on his blog, Containerized Me. Murat also runs a cloud-native news curator site, The Containerized Today, where he regularly publishes updates on the Kubernetes ecosystem.
Read more about Murat Karslioglu

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